Home / 731,602.72-1,009,651.02-409,293.64

Finding the Fourth Proportional to 731,602.72, 1,009,651.02 and 409,293.64

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Solution

The fourth proportional to 731,602.72, 1,009,651.02 and 409,293.64 is: 564,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,602.72 : 1,009,651.02 = 409,293.64 : x
  2. Step 2: Convert to fraction form
    731,602.72/1,009,651.02 = 409,293.64/x
  3. Step 3: Cross multiply
    731,602.72x = 1,009,651.02 × 409,293.64
  4. Step 4: Simplify right side
    731,602.72x = 413,243,741,105.51
  5. Step 5: Solve for x
    x = 413,243,741,105.51/731,602.72
  6. Step 6: Final answer
    x = 564,847.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.